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FLEXIBLE CIRCUIT AND METHOD FOR FORMING THE SAME

  • US 20100305420A1
  • Filed: 05/28/2010
  • Published: 12/02/2010
  • Est. Priority Date: 02/27/2006
  • Status: Abandoned Application
First Claim
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1. A sensor including a flexible circuit, comprising:

  • a flexible dielectric substrate having opposing first and second planar surfaces defining longitudinal, transverse and normal directions;

    one or more conductive contacts adjacent the first planar surface of said flexible dielectric substrate;

    one or more conductive contacts adjacent the second planar surface of said flexible dielectric substrate;

    a first dielectric mask adjacent the first planar surface and substantially covering the first planar surface, said first dielectric mask having one or more mask openings corresponding to one of more of the conductive contacts adjacent the first planar surface;

    a second dielectric mask adjacent said second planar surface substantially covering said second planar surface;

    at least one conductive material provided within the mask openings of said first dielectric mask and in electrical communication with the one or more conductive contacts adjacent the first planar surface;

    a via extending through said dielectric substrate and providing electrical communication between a contact adjacent the first planar surface and a contact adjacent the second planar surface to provide electrical communication between the conductive material within one of the mask openings and the contact adjacent the second planar surface;

    wires in electrical communication with the contacts adjacent the first planar surface and the contacts adjacent the second planar surface; and

    one or more membrane layers applied in physical contact with at least a portion of the conductive material, said one or more membrane layers performing a chemical transduction that is communicated to the conductive material.

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